Today's Air Quality-Boston,MA,United States

Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

PM2.5 (Particulate matter less than 2.5 microns)

All Pollutants

PM2.5 (Particulate matter less than 2.5 microns)

Unhealthy for Sensitive Groups

42.92 µg/m3

CO (Carbon Monoxide)

Good

540 µg/m3

NO2 (Nitrogen Dioxide)

Good

12.15 µg/m3

O3 (Ozone)

Good

41.3 µg/m3

PM10 (Particulate matter less than 10 microns)

Good

50.72 µg/m3

SO2 (Sulphur Dioxide)

Good

1.77 µg/m3